.. include:: /Includes.rst.txt .. _breaking-87583: =================================================================== Breaking: #87583 - Remove obsolete APC Cache Backend implementation =================================================================== See :issue:`87583` Description =========== The Caching framework backend implementation :php:`TYPO3\CMS\Core\Cache\Backend\ApcBackend` has been removed. The APCu PHP extension has superseded in PHP 7.x. Impact ====== The PHP APC extension works until PHP 5.x. APCu can be used as "drop-in" replacement since TYPO3 8 LTS which supports PHP 7.0+. Affected Installations ====================== Any installation which has been updated, and any legacy APC cache backend is configured (see :file:`LocalConfiguration.php`). Migration ========= Use APCu implementation, which is implemented via :php:`TYPO3\CMS\Core\Cache\Backend\ApcuBackend` instead of :php:`TYPO3\CMS\Core\Cache\Backend\ApcBackend` in your caching framework configuration. Example before: :php:`$GLOBALS['TYPO3_CONF_VARS']['SYS']['caching']['cacheConfigurations']['rootline']['backend'] = \TYPO3\CMS\Core\Cache\Backend\ApcBackend::class;` Example after: :php:`$GLOBALS['TYPO3_CONF_VARS']['SYS']['caching']['cacheConfigurations']['rootline']['backend'] = \TYPO3\CMS\Core\Cache\Backend\ApcuBackend::class;` .. index:: Backend, PHP-API, ext:core, NotScanned